SMC Networks PF3A-H Series Manual page 2

Digital Flow Switch for Large Flow PF3A
3-Color Display
Improved resistance to
moisture and foreign matter
The bypass construction reduces the moist air or foreign matter in
contact with the sensor, reducing sensor accuracy deterioration and
damage.
Sensor unit
Air containing moisture
IN
or foreign matter
* The figure shows the PF3A703/6/12H(-L).
3-color/2-screen display
Upper Main display:
Instantaneous flow rate
Set value (Lower Sub display)
Orange
The lower/sub display can be changed by pressing the up/down buttons.
*
Either "Input of line name" or "Display OFF" can be added via the function settings.
Display rotates 90° and can be reversed.
Clockwise
Easy operation,
90°
improved visibility
Installation
Example
1
Bypass construction
OUT
At set point
Green
(Upper Main display)
Green Red
The display can be rotated in increments of 90°
according to the installation. The display can be
reversed for easy operation.
Reversed display OFF
Normal
OUT
90° rotation
H(-L)
w Series
Through bore construction
• Pressure loss:
75
% reduction
(20 kPa 5 kPa)
• Maintenance-free
fluid passage
*1 Excludes the modular type
*2 Compared with the existing model (PF2A7
Large flow type)
* 2-screen display: 2-row display of main screen and sub screen
Upper Main display:
Accumulated value
W W
Reversed display ON
Normal
IN
90° rotation
*
2
H/
w
At set point
Red
Peak/Bottom value Line name
W
(Can be set with the "Reversible display mode")
OUT
*
1
IN